trike vs tuk-tuk

trike

noun
  • A three-wheeled motorbike 

  • A tricycle, typically that of a child 

  • A triceratops. 

  • A kind of railroad maintenance vehicle: a speeder or jigger 

verb
  • To tricycle; to travel by tricycle. 

tuk-tuk

noun
  • A motorized rickshaw, especially Southeast Asia or India. 

How often have the words trike and tuk-tuk occurred in a corpus of books? (source: Google Ngram Viewer )